Dark

NGS
Natural Gas Services Group, Inc.
stock NYSE

Market Open

Jul 31, 2026 2:37:25 PM EDT

36.67USD+1.790%(+0.64)60,195

31.36Bid 41.64Ask 10.28Spread

Pre-market

0.00USD-100.000%(-35.53)0

After-hours

Jul 29, 2026 4:54:30 PM EDT

35.51USD-0.014%(0.00)0

OverviewOptionsHistoricalExchange VolumeShortsMore

NGS Volume Jul 31, 2026 2:34:58 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	49.46	28,393	43.83
NYSE	23.12	13,272	33.80
Nasdaq GSM	7.62	4,372	7.45
Cboe EDGX	5.54	3,179	2.38
IEX	3.57	2,051	3.00
NYSE Arca	3.27	1,875	3.18
Cboe BZX	2.74	1,570	3.03
MEMX	1.80	1,033	0.87
NYSE National	1.41	810	0.33
Nasdaq BX	0.82	470	0.58
LTSE	0.24	138	0.10
Cboe EDGA	0.20	114	0.39
Cboe BYX	0.19	107	0.67
MIAX Pearl	0.02	12	0.16
Nasdaq PHLX	0.01	8	0.05
NYSE American	0.00	0	0.16
CHX	0.00	0	0.03
24X National	0.00	0	0.00

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¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

NGS Nutrition Facts

0.38 servings per container

Serving size

149.85K

Calories

57.40K

% Day

% Avg

Off Exchange¹ 28K

49.46%

43.83%

NYSE 13K

23.12%

33.80%

Nasdaq GSM 4K

7.62%

7.45%

Cboe EDGX 3K

5.54%

2.38%

IEX 2K

3.57%

3.00%

NYSE Arca 2K

3.27%

3.18%

Cboe BZX 2K

2.74%

3.03%

MEMX 1K

1.80%

0.87%

NYSE National 810

1.41%

0.33%

Nasdaq BX 470

0.82%

0.58%

LTSE 138

0.24%

0.10%

Cboe EDGA 114

0.20%

0.39%

Cboe BYX 107

0.19%

0.67%

MIAX Pearl 12

0.02%

0.16%

Nasdaq PHLX 8

0.01%

0.05%

NYSE American 0

0.00%

0.16%

CHX 0

0.00%

0.03%

24X National 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

NGS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 28,393, which is 49.46% of today's total volume.
Today's Lit volume is 29,011, which is 50.54%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.83%.
The average Lit volume has been 56.17%.

NGS Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

Cboe EDGX

IEX

NYSE Arca

Cboe BZX

MEMX

NYSE National

Nasdaq BX

LTSE